河南省洛阳市2019-2020学年高二下学期期中考试+英语
河南省洛阳市第十九中学2019-2020学年高一英语上学期期末试题含解析

河南省洛阳市第十九中学2019-2020学年高一英语上学期期末试题含解析一、选择题1. I don’t know why they don’t believe him ________ he tells the truth.A. as ifB. ifC. even ifD. though参考答案:C2. —I’ve moved into the new house last weekend.— _____!A.DefinitelyB. CongratulationsC. CoolD.Absolutely参考答案:B略3. A modern city has been set up in______ was a wasteland ten years ago.A. what B .whichC. thatD. where参考答案:A略4. Mary was much kinder to Jack than she was to the others, _____, of course, made all the others upset.A. whoB. whichC. whatD. that参考答案:B5. The doctor came up and asked me ______ the night before.A. what did I eatB. what had I eatenC. that what I had eatenD. what I had eaten参考答案:D6. The famous musician, as well as his students, ____ to perform at the opening ceremony of the 2012 Taipei Flower Expo.A. were invitedB. have been invitedC. was invitedD. has been invited参考答案:C7. This memorial was built____ those heroes who laid down their lives for the liberation of the poor people.A. in memory ofB. in need ofC. for the memory ofD. in search of参考答案:a略8. Sometimes people from the south have difficulty understanding______ people from the north say.A. whichB. whatC. thatD. how参考答案:B【详解】考查宾语从句。
河南省洛阳市2019-2020学年高二下学期期中考试数学(文)试题 Word版含解析

洛阳市2019——2020学年第二学期期中考试高二数学试卷(文)本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,共150分.考试时间120分钟.第Ⅰ卷(选择题,共60分)注意事项:1.答题前,考生务必将自己的姓名、考号、考试科目涂写在答题卷上.2.考试结束,将答题卷交回.一、选择题:本大题共12小题,每小题5分,共60分.在每小题给出的四个选项中,只有一项是符合题目要求的.1.若复数z 满足1i z i ⋅=+,则z 的共轭复数的虚部是( ) A. iB. i -C. 1D. 1-【★答案★】C 【解析】 【分析】由题意结合复数的除法法则可得1z i =-,再根据共轭复数、复数虚部的概念即可得解. 【详解】由题意()()21111i ii z i i i i +⋅+===--=-, 所以z 的共轭复数1z i =+,则z 的共轭复数的虚部为1. 故选:C.【点睛】本题考查了复数的运算,考查了共轭复数及复数虚部的概念,属于基础题. 2.用反证法证明命题:“三角形的内角中至少有一个不大于60°”时,反设正确..的是( ) A. 假设三内角都不大于60° B. 假设三内角都大于60° C. 假设三内角至多有一个大于60° D. 假设三内角至多有两个大于60°【★答案★】B 【解析】 【分析】“至少有一个”的否定变换为“一个都没有”,即可求出结论. 【详解】“三角形的内角中至少有一个不大于60°”时, 反设是假设三内角都大于60︒. 故选:B.【点睛】本题考查反证法的概念,注意逻辑用语的否定,属于基础题.3.对下列三种图像,正确的表述为()A. 它们都是流程图B. 它们都是结构图C. (1)、(2)是流程图,(3)是结构图D. (1)是流程图,(2)、(3)是结构图【★答案★】C【解析】试题分析:根据流程图和结构图的定义分别判断三种图形是流程图还是结构图.解:(1)表示的是借书和还书的流程,所以(1)是流程图.(2)表示学习指数函数的一个流程,所以(2)是流程图.(3)表示的是数学知识的分布结构,所以(3)是结构图.故选C.点评:本题主要考查结构图和流程图的识别和判断,属于基础题型.4.有线性相关关系的变量,x y有观测数据(,)(1,2, (15)i ix y i=,已知它们之间的线性回归方程是ˆ511y x=+,若15118 iix ==∑,则151iiy ==∑()A. 17B. 86C. 101D. 255【★答案★】D【解析】【分析】先计算181.215x==,代入回归直线方程,可得5 1.21117y=⨯+=,从而可求得结果.【详解】因为15118 iix ==∑,所以18 1.215x==,代入回归直线方程可求得5 1.21117y=⨯+=,所以1511715255 iiy==⨯=∑,故选D.【点睛】该题考查的是有关回归直线的问题,涉及到的知识点有回归直线一定会过样本中心点,利用相关公式求得结果,属于简单题目.5. 分析法是从要证的不等式出发,寻求使它成立的( ) A. 充分条件 B. 必要条件C. 充要条件D. 既不充分又不必要条件【★答案★】A 【解析】试题分析:本题考查的分析法和综合法的定义,根据定义分析法是从从求证的结论出发,“由果索因”,逆向逐步找这个不等式成立需要具备的充分条件;综合法是指从已知条件出发,借助其性质和有关定理,经过逐步的逻辑推理,最后达到待证结论或需求问题,其特点和思路是“由因导果”,即从“已知”看“可知”,逐步推向“未知”.我们易得★答案★. 解:∵分析法是逆向逐步找这个结论成立需要具备的充分条件; ∴分析法是从要证的不等式出发,寻求使它成立的充分条件 故选A点评:分析法──通过对事物原因或结果的周密分析,从而证明论点的正确性、合理性的论证方法,也称为因果分析,从求证的不等式出发,“由果索因”,逆向逐步找这个不等式成立需要具备的充分条件;综合法是指从已知条件出发,借助其性质和有关定理,经过逐步的逻辑推理,最后达到待证结论或需求问题,其特点和思路是“由因导果”,即从“已知”看“可知”,逐步推向“未知”. 6.有一段演绎推理:“直线平行于平面,则平行于平面内所有直线;已知直线平面,直线∥平面,则∥”的结论显然是错误的,这是因为( )A. 大前提错误B. 小前提错误C. 推理形式错误D. 非以上错误【★答案★】A 【解析】演绎推理,就是从一般性的前提出发,通过推导,得出具体陈述或个别结论的过程,演绎推理一般有三段论形式,本题中直线平行于平面,则平行于平面内所有直线是大前提,它是错误的. 考点:演绎推理.7.如图:图O 内切于正三角形ABC ,则3ABCOABOACOBCOBCSSSSS=++=⋅,即11||3||22BC h r BC ⋅⋅=⋅⋅⋅,3h r =,从而得到结论:“正三角形的高等于它的内切圆的半径的3倍”;类比该结论到正四面体,可得到结论:“正四面体的高等于它的内切球的半径的a 倍”,则实数a =( )A. 5B. 4C. 3D. 2【★答案★】B 【解析】 【分析】利用等体积,即可得出结论.【详解】解:设正四面体的高为h ,底面积为S ,内切球的半径为r , 则11433V Sh Sr ==⋅, 4h r ∴=,则4a =. 故选:B.【点睛】本题考查类比推理,考查等体积方法的运用,考查学生的计算能力,比较基础. 8.观察下列各式,1a b +=,223a b +=,334a b +=,447a b +=,5511a b +=,…,则99a b +=( ) A. 47 B. 76 C. 121 D. 123【★答案★】B 【解析】 【分析】根据题目所给等式,归纳出正确结论.【详解】根据题目所给等式可知:667771118,111829a b a b +=+=+=+=,88182947a b +=+=,99294776a b +=+=.故选:B【点睛】本小题主要考查合情推理,属于基础题. 9.若5P a a =++,23Q a a =+++(0a ≥),则P ,Q 的大小关系是( )A. P Q <B. P Q =C. P Q >D. P ,Q 的大小由a 的取值确定 【★答案★】A 【解析】∵()()()22222525[252232556P Q a a a a a a a a a a -=+++-++++=+-++()且22556a a a a +<++ ,∴22P Q <,又,0P Q >,∴P Q <,故选C.10.阅读如图所示的程序框图,若输入2020m =,则输出S 为输出( )A. 22020B. 21009C. 21010D. 21011【★答案★】D 【解析】 【分析】运行程序,根据循环结构程序框图计算出输出的结果.【详解】运行程序,2020m =,0,1S i ==,1S =,判断是,3,13i S ==+,判断是,……,2019,0132019i S ==++++,判断是,2021,132021i S ==+++,判断否,输出212021132021*********S +=+++=⨯=. 故选:D【点睛】本小题主要考查根据程序框图计算输出结果,属于基础题.11.部分与整体以某种相似的方式呈现称为分形,一个数学意义上分形的生成是基于一个不断迭代的方程式,即一种基于递归的反馈系统.分形几何学不仅让人们感悟到科学与艺木的融合,数学与艺术审美的统一,而且还有其深刻的科学方法论意义.如图,由波兰数学家谢尔宾斯基1915年提出的谢尔宾斯基三角形就属于-种分形,具体作法是取一个实心三角形,沿三角形的三边中点连线,将它分成4个小三角形,去掉中间的那一个小三角形后,对其余3个小三角形重复上述过程逐次得到各个图形.若在图④中随机选取-点,则此点取自阴影部分的概率为( ) A.928B.1928C.2764D.3764【★答案★】C 【解析】 【分析】根据图①,②,③归纳得出阴影部分的面积与大三角形的面积之比,再用几何概型的概率公式可得★答案★.【详解】依题意可得:图①中阴影部分的面积等于大三角形的面积,图②中阴影部分的面积是大三角形面积的34, 图③中阴影部分的面积是大三角形面积的916, 归纳可得,图④中阴影部分的面积是大三角形面积的2764, 所以根据几何概型的概率公式可得在图④中随机选取-点,则此点取自阴影部分的概率为2764. 故选:C【点睛】本题考查了归纳推理,考查了几何概型的概率公式,属于基础题.12.已知复数z 满|12||2|22z i z i ---++=(i 是虚数单位),若在复平面内复数z 对应的点为Z ,则点Z 的轨迹为( )A. 双曲线B. 双曲线的一支C. 两条射线D. 一条射线【★答案★】B 【解析】 【分析】利用两个复数的差的绝对值表示两个复数对应点之间的距离,得出等式的几何意义,结合双曲线的定义,即可求解.【详解】因为复数z 满|12||2|22z i z i ---++=(i 是虚数单位), 在复平面内复数z 对应的点为Z ,则点Z 到点(1,2)的距离减去到点(2,1)--的距离之差等于22, 而点(1,2)与点(2,1)--之间的距离为32,根据双曲线的定义,可得点Z 表示(1,2)和(2,1)--为焦点的双曲线的一支. 故选:B.【点睛】本题主要考查了复数的几何意义及其应用,其中解答中根据复数模的几何意义,结合双曲线的定义求解是解答的关键,着重考查了分析问题和解答问题的能力.第Ⅱ卷(非选择题,共90分)二、填空题:本大题共4小题,每小题5分,共20分. 13.设复数1z i =+,则22||z z-=___________. 【★答案★】5 【解析】 【分析】利用复数运算化简得到2212z i z-=--,再计算复数模得到★答案★. 【详解】1z i =+,则()()()222211111222i i z i i i i i z -=-+=-+=---=--+, 则2222215z z-=+=.故★答案★为:5.【点睛】本题考查了复数的计算,复数的模,意在考查学生的计算能力和转化能力. 14.我们知道:在平面内,点()00,x y 到直线0Ax By C ++=的距离公式为0022Ax By C d A B++=+,通过类比的方法,可求得在空间中,点()2,4,1到平面2310x y z +++=的距离为___________. 【★答案★】14 【解析】 【分析】利用点到直线的距离公式类比到空间点()000,,x y z 到平面0Ax By Cz D +++=的距离为000222Ax By Cz Dd A B C+++=++,进而可求得点()2,4,1到平面2310x y z +++=的距离.【详解】在平面内,点()00,x y 到直线0Ax By C ++=的距离公式为0022Ax By C d A B++=+,类比到空间中,则点()000,,x y z 到平面0Ax By Cz D +++=的距离为000222Ax By Cz Dd A B C+++=++,因此,点()2,4,1到平面2310x y z +++=的距离为22222431114123d +⨯+⨯+==++.故★答案★为:14.【点睛】本题考查类比推理,考查点到平面的距离的计算,考查推理能力与计算能力,属于基础题. 15.设11()()()()11n ni i f n n i N i+-=+∈-+,则集合{|()}x x f n =的子集个数是___________. 【★答案★】8 【解析】 【分析】化简得到()()()nni f n i =+-,计算结合复数乘方的周期性得到{}{}|()2,0,2x x f n ==-,得到★答案★.【详解】()()()()()()()()22111()()()()()1111111n nn n n n i i i f n i i i i i i i i i -+-=+=+-+-=+-++-+, ()()0(0)2i f i =+-=,()()11(1)0i f i =+-=,()()22(2)2i f i =+-=-, ()()33(3)0i f i =+-=,()()44(4)2i f i =+-=,根据n i 的周期性知{}{}|()2,0,2x x f n ==-,子集个数为328=.故★答案★为:8. 【点睛】本题考查了复数的运算,集合的子集,意在考查学生的计算能力和综合应用能力,周期性的利用是解题的关键. 16.给出下列命题:①线性相关系数r 越大,两个变量的线性相关性越强;反之,线性相关性越弱; ②用2R 来刻画回归效果,2R 越大,说明模型的拟合效果越好;③根据22⨯列联表中的数据计算得出的2K 的值越大,两类变量相关的可能性就越大; ④在回归分析模型中,残差平方和越小,说明模型的拟合效果越好;⑤从匀速传递的产品生产流水线上,质检员每10分钟从中抽取一件产品进行某项指标检测,这样的抽样是分层抽样.其中真命题的序号是_______. 【★答案★】②③④ 【解析】 【分析】根据“残差”的意义、线性相关系数和相关指数的意义等统计学知识,逐项判断,即可作出正确的判断.【详解】对①,根据线性相关系数r 的绝对值越接近1,两个变量的线性相关性越强;反之,线性相关性越弱,故①错误;对②,根据用相关指数2R 刻画回归的效果时, 2R 的值越大说明模型的拟合效果就越好,故②正确;对③,2×2列联表中的数据计算得出的2K 越大,“X 与Y 有关系”可信程度越大,相关性就越大,故③正确;对④,根据比较模型的拟合效果,可以比较残差平方和的大小,残差平方和越小的模型,拟合效果就越好,故④正确;对⑤,新产品没有明显差异,抽取时间间隔相同,故属于系统抽样,故⑤错误. 综上所述,正确的是②③④. 故★答案★为:②③④【点睛】本题解题关键是掌握统计学的基本概念和“残差”的意义、线性相关系数和相关指数的意义,考查了分析能力和计算能力,属于基础题.三、解答题:本大题共6个小题,共70分,解答应写出必要的文字说明、证明过程或演算步骤. 17.已知m 为实数,设复数22(56)(253)z m m m m i =++++-. (1)当复数z 为纯虚数时,求m 的值;(2)当复数z 对应的点在直线70x y -+=的上方,求m 的取值范围. 【★答案★】(1)2-.(2)(,4)(4,)-∞-⋃+∞ 【解析】【分析】(1)直接根据复数的类型得到方程,解得★答案★.(2)直线70x y -+=的上方的点的坐标(),x y 应满足70x y -+<,代入数据解不等式得到★答案★.【详解】(1)由题意得:225602530,m m m m ⎧++=⎨+-≠⎩,解得2m =-.(2)复数z 对应的点的坐标为()2256,253m m m m +++-, 直线70x y -+=的上方的点的坐标(),x y 应满足70x y -+<, 即:22(56)(253)70m m m m +-+-+<+,解得4m >或4m <-, ∴m 的取值范围为(,4)(4,)-∞-⋃+∞.【点睛】本题考查了根据复数的类型和复数的对应点的位置求参数,意在考查学生的计算能力和转化能力.18.(1)已知0a b ≥>,求证:332222a b ab a b -≥-;(2)若x ,y 都是正实数,且2x y +>,用反证法证明:12x y +<与12yx+<中至少有一个成立. 【★答案★】(1)证明见解析.(2)证明见解析 【解析】 【分析】(1)利用作差法即可证明.(2)假设12x y +≥,12yx+≥,从而可得12x y +≥,12y x +≥,两不等式相加即可找出矛盾点,即证.【详解】(1)33222222222()()a b ab a b a a b b a b --+=-+-()()(2)a b a b a b =-++,∵0a b ≥>,∴0a b -≥,0a b +>,20a b +>, 从而:()()()20a b a b a b -++≥,∴332222a b ab a b -≥-.(2)假设12x y +≥,12yx+≥, 则12x y +≥,12y x +≥,所以1122x y y x +++≥+,所以2x y ≥+, 与条件2x y +>矛盾,所以假设不成立,即12x y +<与12yx+<中至少有一个成立. 【点睛】本题考查了作差法证明不等式、反证法,反证法关键找出矛盾,属于基础题.19. 为了研究“教学方式”对教学质量的影响,某高中数学老师分别用两种不同的教学方式对入学数学平均分数和优秀率都相同的甲、乙两个高一新班进行教学(勤奋程度和自觉性都一样).以下茎叶图为甲、乙两班(每班均为20人)学生的数学期末考试成绩.(1)学校规定:成绩不低于75分的为优秀.请画出下面的22⨯列联表. 甲班 乙班 合计 优秀 不优秀 合计(2)判断有多大把握认为“成绩优秀与教学方式有关”.下面临界值表仅供参考:0.15 0.10 0.05 0.025 0.010 0.005 0.0012.072 2.7063.841 5.024 6.635 7.879 10.828参考公式:22()()()()()n ad bcKa b c d a c b d-=++++【★答案★】(1)表格解析;(2)有97.5%的把握认为成绩优秀与教学方式有关.【解析】试题分析:解题思路:(1)根据茎叶图中的数据,按不同区间进行填表即可;(2)利用公式求值,结合临界值表进行判断.规律总结:以图表给出的统计题目一般难度不大,主要考查频率直方图、茎叶图、频率分布表给出;利用列联表判定两个变量间的相关性,要正确列出或补充完整列联表,利用公式求值,结合临界值表进行判断.试题解析:(1)甲班乙班合计优秀 6 14 20不优秀14 6 20合计20 20 40(2)=因此,我们有97.5%的把握认为成绩优秀与教学方式有关. 考点:1.茎叶图;2.独立性检验. 20.数列{}n a 中,11a =,*13()3nn na a a N n +=+∈ (1)求234,,a a a ,猜想数列{}n a 的通项公式; (2)证明:数列1{}na 是等差数列. 【★答案★】(1)234331,,452a a a ===,32n a n =+;(2)证明见解析 【解析】 【分析】(1)根据*1131,()3nn na a n a a +==∈+N ,分别令1,2,3n =,即可求解234,,a a a 的值,猜想得出数列的通项公式; (2)由*13()3n n na a n a +=+∈N ,得到11113n n a a +=+,利用等差数列的定义,即可得到证明. 【详解】(1)由题意,数列{}n a 中,11a =,*13()3nn na a n a +=+∈N , 令1n =,可得1213333314a a a ===++; 令2n =,可得2323335a a a ==+; 令3n =,可得343331362a a a ===+; 所以234331,,452a a a ===, 猜想:数列{}n a 的通项公式32n a n =+.(2)由*13()3n nn a a n a +=+∈N ,可得1131133n n n n a a a a ++==+,即11113n n a a +-=(常数), 又由11a =,所以111a ,所以数列1n a ⎧⎫⎨⎬⎩⎭是以1为首项,以13为公差的是等差数列. 【点睛】本题主要考查了数列的递推公式的应用,以及利用等差数列的定义的应用,考查了推理与运算能力,属于基础题.21.已知点()1,2A 是椭圆C :22221(0)y x a b a b+=>>上的一点,椭圆C 的离心率与双曲线221x y -=的离心率互为倒数,斜率为2直线l 交椭圆C 于B ,D 两点,且A 、B 、D 三点互不重合.(1)求椭圆C 的方程;(2)若12,k k 分别为直线AB ,AD 的斜率,求证:12k k +为定值.【★答案★】(1)22142y x +=(2)详见解析【解析】 【分析】(1)根据椭圆的定义和几何性质,建立方程,即可求椭圆C 的方程; (2)设直线BD 的方程为2y x m =+,代入椭圆方程,设D (x 1,y 1),B (x 2,y 2),直线AB 、AD 的斜率分别为:,AB AD k k ,则12122211AB AD y y x x k k +=--+--,由此导出结果.【详解】(1)由题意,可得e =c a =22,代入A (1,2)得22211a b+=, 又222a b c =+,解得2,2a b c ===,所以椭圆C 的方程22142y x +=. (2)证明:设直线BD 的方程为y =2x +m ,又A 、B 、D 三点不重合,∴0m ≠, 设D (x 1,y 1),B (x 2,y 2),则由22224y x m x y ⎧=+⎪⎨+=⎪⎩得4x 2+22mx +m 2-4=0 所以△=-8m 2+64>0,所以22-<m <22.x 1+x 2=-22m ,21244m x x -⋅=设直线AB 、AD 的斜率分别为:k AB 、k AD , 则k AD +k AB =121212121222222111y y x x m x x x x x x --+-+=+⋅----+=2222222222042142m m m m --+⋅=-=-++ 所以k AD +k AB =0,即直线AB ,AD 的斜率之和为定值.【点睛】该题考查的是有关直线与椭圆的问题,涉及到的知识点有椭圆方程的求解.直线与椭圆的位置关系,直线斜率坐标公式,属于中档题目. 22.已知函数()ln 1f x x ax =-+.(1)若曲线()y f x =在点()1,(1)A f 处的切线l 与直线4330x y +-=垂直,求实数a 的值;(2)若()0f x ≤恒成立,求实数a 的取值范围;(3)证明:()111ln(1)231n n N n *+>++⋅⋅⋅⋅⋅⋅+∈+ 【★答案★】(1)14a =(2) 1.a ≥(3)证明见解析【解析】【详解】试题分析:(1)利用导数的几何意义求曲线在点()1,(1)A f 处的切线方程,注意这个点的切点;(2)对于恒成立的问题,常用到以下两个结论:()a f x ≥恒成立max ()a f x ⇔≥,()a f x ≤恒成立min ()a f x ⇔≤;(3)证明不等式,注意应用前几问的结论. 试题解析:(1)函数的定义域为()10,,()f x a x+∞'=-, 所以()11f a '=-,又切线l 与直线4330x y +-=垂直, 所以切线l 斜率为34,从而314a -=,解得14a = ,(2)若0a ≤,则()10,f x a x->'=则()f x 在()0,∞+上是增函数 而()()11,0f a f x =-≤不成立,故0.a >若0a >,则当10,x a ⎛⎫∈ ⎪⎝⎭时,()10f x a x '=->; 当1,x a ⎛⎫∈+∞⎪⎝⎭时,()10.f x a x -<'=所以()f x 在10,a ⎛⎤ ⎥⎝⎦上是增函数,在1,a⎡⎫+∞⎪⎢⎣⎭上是减函数,所以()f x 的最大值为1ln .f a a ⎛⎫=-⎪⎝⎭要使()0f x ≤恒成立,只需ln 0a -≤,解得 1.a ≥(3)由(2)知,当1a =时,有()0f x ≤在()0,∞+上恒成立, 且()f x 在(]0,1上是增函数,()10f =所以ln 1x x <-在(]0,1x ∈上恒成立 .令1n x n =+,则1ln1,111n n n n n <-=-+++ 令1,2,3......,n n =则有11211ln,ln ,......,ln .223311n n n <-<-<-++ 以上各式两边分别相加, 得12111lnln ......ln .......231231n n n ⎛⎫+++<-+++ ⎪++⎝⎭ 即1111ln......,1231n n ⎛⎫<-+++ ⎪++⎝⎭故()111ln 1 (231)n n +>++++ 考点:(1)求切线方程;(2)函数在闭区间上恒成立的问题;(3)不等式证明.感谢您的下载!快乐分享,知识无限!。
2019-2020学年第一学期九年级英语期中考试试卷(含答案)

2019-2020第一学期期中考试初三英语注意事项:1.本试卷分第一卷(选择题)和第二卷(非选择题)两部分。
满分120分;考试时间100分钟。
2.答题前,考生务必将自己的姓名、考点名称用钢笔或圆珠笔写在答题卷的相应位置上。
3.作答选择题,必须用2B铅笔把答题卷上对应题目的答案标号涂黑;如需改动,用橡皮擦干净后,再选涂其他答案。
作答非选择题,请按题号用0.5毫米的黑色签字笔在答题卷上各题目规定的答题区域内作答,不能超出横线或方格,在其他位置作答一律无效。
第一卷(三大题,共69分)一、听力选择(共20题;每题1分,满分20分)第一部分听对话回答问题(每小题1分,计10分)本部分共有10道小题,每小题你将听到一段对话,每段对话听两遍。
在听每段对话前,你将有5秒钟的时间阅读题目;听完后,你仍有5秒钟的时间选出你认为最合适的答案。
请在听到“嘀”的信号时,进入下一小题。
1. Which city does the woman live in?3.What was Jack doing at this time yesterday?A. B. C.4. What is the boy's problem?A. B. C.5. How about the girl's homework?A. It won't be finished.B. It hasn't been finished yet.C. It has been finished already.6. Where is Sandy going?A. To the library.B. To the cinema.C. To David's home.7. What will the girl do?A. She will clean the window.B. She will do her homework.C. She will mop up the floor.8. How many Maths problems has Rose finished?A. Two.B. Ten.C. Eight.9. When did the film begin?A. At 7:50 p.m.B. At 8:00 p, m.C. At 8:10 p. m.10. What's the meaning of the two speakers' words?A. Practice makes perfect.B. One tree can't make a forest.C. Where there is a will, there is a way.第二部分听对话和短文回答问题(每小题1分,满分10分)你将听到一段对话和两篇短文,各听两遍。
河南省洛阳市2019-2022学年高一下学期英语期中试卷汇编:七选五专题

河南省洛阳市2019-2022学年高一下学期英语期中试卷汇编七选五专题河南省洛阳市2021-2022学年高一下学期期中考试英语试题第二节(共5小题; 每小题2分, 满分10分)根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。
选项中有两项为多余选项。
How To Exercise Y our BrainJust like your muscles- your brain needs exercise to keep it in good working order. ___36___ Although results are mixed on increasing actual cognitive(认知的)function, learning something new, working your memory, and reading are all great ways to work your brain to its limit!Learn something new. Keep your brain stimulated and active by picking up a new habit. Practising something new forms new neural(神经的)pathways in your brain. ___37___ If you’re learning a new instrument, practise playing it every day. Start with small actions and do them repeatedly to train your brain and make it a habit.Use your memory.It’s not as essential(必不可少的)to commit things to our brain as it once was, but the practice of remembering things can improve brain function. ___38___ Memo rize a few of your closest friends’ phone numbers to exercise your memory.___39___ While you may feel like you are accomplishing more by multi-tasking, you are actually more likely to make mistakes and get frustrated when things go wrong. By not multitasking, you can train your brain to focus your attention on one activity at a time and do better work.Read every day. Reading a thrilling book can actually enhance your cognitive function. Reading also helps to develop language skills and increase attention spans. ___40___ Pick up a book, magazine, or newspaper and get reading!A. Stop multi-tasking.B. Change your opinion.C. The more you use your brain, the better it will work.D. Repetition is one of the best ways to engage your memory.E. Try to read a little bit every day to enjoy the brain benefits.F. There are some good ways to make sure your brain stays healthy.G. This will train your brain to think differently and more creatively about various situations.第二节(共5小题;每小题2分,满分10分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。
洛阳市2024高二英语期中考试作文范文

洛阳市2024高二英语期中考试作文范文Title: My Experience of the 2024 High School EnglishMid-term Exam in Luoyang CityThe 2024 high school English mid-term exam in Luoyang City was a challenging but rewarding experience for me. The exam tested my knowledge of various English language skills, including reading, writing, listening, and speaking. Leading up to the exam, I spent countless hours studying and practicing to ensure that I was well-prepared.On the day of the exam, I felt a mix of nervousness and excitement. As soon as the exam began, I focused all my attention on the questions in front of me. The reading and listening comprehension sections were particularly challenging, as they required a deep understanding of the passages and a keen ear for the spoken English language. However, I felt confident in my ability to answer the questions accurately and efficiently.The writing section of the exam allowed me to showcase my creativity and language skills. I was given a prompt and asked to write an essay on a topic of my choice. I chose to write about the importance of education in today's society. I poured my heartand soul into my essay, carefully crafting each sentence and paragraph to convey my thoughts and feelings on the subject.The speaking section of the exam was perhaps the most nerve-wracking for me. I was required to have a conversation with the examiner on a given topic. Despite my initial apprehension, I found myself enjoying the opportunity to practice my spoken English skills in a real-life setting. I spoke confidently and fluently, carefully choosing my words and expressing my opinions with clarity and conviction.Overall, the 2024 high school English mid-term exam in Luoyang City was a memorable experience for me. It tested my knowledge, skills, and abilities in the English language and allowed me to showcase my strengths as a student. I am grateful for the opportunity to participate in such a challenging and rewarding exam, and I look forward to the results with anticipation and hope.。
河南省2020-2021学年高二下学期3月英语试题分类汇编:七选五专题 Word版含答案

七选五专题河南省豫西名校2020-2021学年下期第一次联考高二英语试题第二节(共5小题,每小题2分,满分10分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余。
Researchers hope to have people's brains scanned to improve creativity in the workplace or classroom. If you don't have that advanced tool for stimulating your brain and are looking to think out of the box we have good news. ____16____Change your surroundings.Data support that creativity “nudges" can come from changes as small as a warmer cup of coffee or different colors in the room. Try switching some of the objects on your desk. ____17____However, making any possible adjustment could translate to a creativity boost.Broaden what you've learned.When was the last time you learned something about medieval architecture? ____18____ Research suggests that broadening your knowledge by way of unfamiliar topics encourages new ideas and creative thinking.Pay attention to and record new ideas.As people age, they tend to come up with fewer creative ideas. When a small component of an idea comes to you, start making it a point to preserve it. ____19____ Research has shown that recording your new ideas is likely the most valuable aspect of boosting creativity.____20____It's known that challenges act as a catalyst for us to think creatively and come up with new ideas or solutions. So think about the primary issues and questions in your field and practice brainstormingopen-ended solutions.A. Challenge yourself in new ways.B. Exercise your creativity whenever and wherever.C. Perhaps you don't have much control over your study environment.D. But the key to this is devoting more time in your day to actively thinking.E. We've got research-backed tips for improving your creativity outside the lab.F. Now might be the time to take an in-person course or turn to an online course.G. This can be done by recording it on a smart phone or writing it in a notebook.【答案】16. E 17. C 18. F 19. G 20. A【解析】【分析】这是一篇说明文。
2019-2020学年河南省洛阳五中八年级(下)期中英语试卷

2019-2020学年河南省洛阳八年级(下)期中英语试卷一、单项选择(10小题,每小题1分,共10分)1.(1分)When he saw the old woman fall down, he took her to the hospital______ thinking.()A.across B.through C.without D.with2.(1分)Please let me tell you again ______ you won't forget.()A.as long as B.unless C.so that D.because3.(1分)The old man lives________,but he never feels________ because so many volunteers often visit him on weekends.()A.alone;alone B.alone;lonelyC.lonely;lonely D.lonely;alone4.(1分)My grandma used to ___TV at home after supper,but now she is used to _____out for a walk.()A.watch,go B.watching,goC.watching,going D.watch,going5.(1分)--Joe,who did you_____the CD from?--My cousin.She_____it to me yesterday.()A.borrow,lent B.borrow,lendsC.lend,borrows D.lend,borrowed6.(1分)---Could I play computer games, Mom?---______. You have a test tomorrow.()A.Yes, you could. B.Yes, you can.C.No, you couldn't. D.No, you can't.7.(1分)This math question is too difficult. Can you help me ?()A.work on it B.work out itC.work it out D.work for it8.(1分)---I had a fight with my brother this morning.---______.()A.You should say sorry to himB.Great! You are rightC.That's nothingD.You shouldn't talk to him first9.(1分)I wonder what happened last night. Please tell me the ______.()A.dream B.plan C.decision D.truth10.(1分)______ it began to snow yesterday, I ______ a class at school.()A.When;were having B.While;was havingC.When;was having D.While;were having二、完形填空(15小题,每小题15分,共15分)先通读短文,掌握其大意,然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案。
2019-2020学年度新人教版九年级第一学期期中英语试卷(含答案)

2019-2020学年度九年级期中英语考试试题说明:本试题共分I、II卷,其中第I卷75分,第II卷45分。
请将第I卷的答案填写在答题卡上,第II卷答案填写在答题纸上。
第I卷第一部分听力(共20小题;每小题1分,满分20分)(一)听句子,选择适当的应答语。
每个句子读两遍。
1. A. No, I don’t. B. Yes, I have C. Good idea.2. A.I made them myself. B. You are right. C.I am glad you like them.3. A. You may go there tomorrow.B. you can go there on No. 3 bus.C. You can buy some furniture there.4. A. Yes, she used. B. No, she used not. C. Yes, she did.5. A. By the Wright brothers. B. On December 17, 1903. C. By accident.(二)听五段对话,选择正确答案。
每段对话读两遍。
你将有20秒钟的时间阅读下面5个小题。
6. What’s the matter with the girl’s English?A. She is afraid to speak in class.B. She can’t remember many English words.C. She finds English grammar is hard.7. What present is Jane going to give her mother for Mother’s Day?A. Something delicious.B. A new watch.C. A new tie.8. What is not true about Mary’s hometown now?A. Its air is fresh.B. Its water is cleaner.C. Its traffic is better.9.What is the hot ice-cream scoop used for?A. Seeing in the dark.B. Serving cold ice-cream.C. Listening to music.10. What does the boy think is the greatest invention?A. Computer.B. Scissors.C. Website.(三)听两段长对话,选择正确答案。